<p>A backend developer is a specialist who deals with creating the internal structure and functionality of websites or applications. They are responsible for the server, database, application logic, and interaction with frontend developers.<p>To become a backend developer, you need to have certain knowledge and skills. First and foremost, you need to learn programming languages widely used in backend development, such as PHP, Python, Ruby, Java, C#, and others. It's also important to master working with databases, understand server principles, and data transmission protocols.</p><p>To learn more about the backend developer profession, you can take special programming, web development, or IT courses. Additionally, it's helpful to have experience working in a team of developers or participating in open source projects.</p><p>Backend developers usually work in a team with other specialists, such as frontend developers, designers, and testers. They are responsible for creating a stable and secure application architecture, data processing, user management, and much more.</p><p>Overall, the backend developer profession requires technical knowledge, analytical thinking, teamwork skills, and the ability to solve complex tasks. It is a highly in-demand profession that offers many opportunities for development and career growth.</p></p>